Gugu Mbatha-Raw as Dido Elizabeth Belle

Tom Wilkinson as Lord Mansfield

Sam Reid as John Davinier

Emily Watson as Lady Mansfield

Sarah Gadon as Lady Elizabeth Murray

Miranda Richardson as Lady Ashford

Penelope Wilton as Lady Mary Murray

Tom Felton as James Ashford

James Norton as Oliver Ashford

Matthew Goode as Captain Sir John Lindsay

Alex Jennings as Lord Ashford

James Northcote as Mr. Vaughn

Alan McKenna as Harry

Lauren Julien-Box as Young Dido

Andrew Woodall as Lord Mayor

Daniel Wilde as Gentleman

Natasha Williams as Poor Woman

Cara Jenkins as Young Elizabeth

Bethan Mary-James as Mabel